FR2204933B1 - - Google Patents

Info

Publication number
FR2204933B1
FR2204933B1 FR7338695A FR7338695A FR2204933B1 FR 2204933 B1 FR2204933 B1 FR 2204933B1 FR 7338695 A FR7338695 A FR 7338695A FR 7338695 A FR7338695 A FR 7338695A FR 2204933 B1 FR2204933 B1 FR 2204933B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7338695A
Other languages
French (fr)
Other versions
FR2204933A1 (US20100056889A1-20100304-C00004.png
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hazeltine Research Inc
Original Assignee
Hazeltine Research Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hazeltine Research Inc filed Critical Hazeltine Research Inc
Publication of FR2204933A1 publication Critical patent/FR2204933A1/fr
Application granted granted Critical
Publication of FR2204933B1 publication Critical patent/FR2204933B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/081—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the additional information signals being transmitted by means of a subcarrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Color Television Systems (AREA)
  • Facsimiles In General (AREA)
FR7338695A 1972-10-30 1973-10-30 Expired FR2204933B1 (US20100056889A1-20100304-C00004.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00302330A US3838444A (en) 1972-10-30 1972-10-30 System for transmitting auxiliary information in low energy density portion of color tv spectrum

Publications (2)

Publication Number Publication Date
FR2204933A1 FR2204933A1 (US20100056889A1-20100304-C00004.png) 1974-05-24
FR2204933B1 true FR2204933B1 (US20100056889A1-20100304-C00004.png) 1978-02-24

Family

ID=23167302

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7338695A Expired FR2204933B1 (US20100056889A1-20100304-C00004.png) 1972-10-30 1973-10-30

Country Status (10)

Country Link
US (1) US3838444A (US20100056889A1-20100304-C00004.png)
JP (1) JPS4975217A (US20100056889A1-20100304-C00004.png)
AU (1) AU5855173A (US20100056889A1-20100304-C00004.png)
CA (1) CA992196A (US20100056889A1-20100304-C00004.png)
DE (1) DE2354197A1 (US20100056889A1-20100304-C00004.png)
FR (1) FR2204933B1 (US20100056889A1-20100304-C00004.png)
GB (1) GB1382406A (US20100056889A1-20100304-C00004.png)
IE (1) IE38406B1 (US20100056889A1-20100304-C00004.png)
IT (1) IT1007552B (US20100056889A1-20100304-C00004.png)
NL (1) NL7314924A (US20100056889A1-20100304-C00004.png)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
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US3917906A (en) * 1973-06-13 1975-11-04 Coastcom Inc System for multiplexing information channels adjacent to a video spectrum
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FR2623676B1 (fr) * 1987-11-25 1993-10-15 Etat Francais Delegue Armement Procede et dispositifs pour enregistrer et/ou pour transmettre des debits eleves de signaux binaires par des moyens connus d'enregistrement et/ou de transmission de signaux video et pour relire les informations numeriques
US4969041A (en) * 1988-09-23 1990-11-06 Dubner Computer Systems, Inc. Embedment of data in a video signal
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US5146612A (en) * 1989-04-17 1992-09-08 Spingarn James L Technique for using a subcarrier frequency of a radio station to transmit, receive and display a message together with audio reproduction of the radio program
US6243446B1 (en) 1997-03-11 2001-06-05 Inline Connections Corporation Distributed splitter for data transmission over twisted wire pairs
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US5243423A (en) * 1991-12-20 1993-09-07 A. C. Nielsen Company Spread spectrum digital data transmission over TV video
US6301369B2 (en) 1992-07-31 2001-10-09 Digimarc Corporation Image marking to permit later identification
US5721788A (en) 1992-07-31 1998-02-24 Corbis Corporation Method and system for digital image signatures
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US7044395B1 (en) 1993-11-18 2006-05-16 Digimarc Corporation Embedding and reading imperceptible codes on objects
US5832119C1 (en) * 1993-11-18 2002-03-05 Digimarc Corp Methods for controlling systems using control signals embedded in empirical data
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US5768426A (en) * 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US5841978A (en) 1993-11-18 1998-11-24 Digimarc Corporation Network linking method using steganographically embedded data objects
US6614914B1 (en) 1995-05-08 2003-09-02 Digimarc Corporation Watermark embedder and reader
US7171016B1 (en) * 1993-11-18 2007-01-30 Digimarc Corporation Method for monitoring internet dissemination of image, video and/or audio files
US5862260A (en) * 1993-11-18 1999-01-19 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
US6611607B1 (en) 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
US6983051B1 (en) 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US6516079B1 (en) 2000-02-14 2003-02-04 Digimarc Corporation Digital watermark screening and detecting strategies
US5710834A (en) * 1995-05-08 1998-01-20 Digimarc Corporation Method and apparatus responsive to a code signal conveyed through a graphic image
US6944298B1 (en) 1993-11-18 2005-09-13 Digimare Corporation Steganographic encoding and decoding of auxiliary codes in media signals
US5841886A (en) * 1993-11-18 1998-11-24 Digimarc Corporation Security system for photographic identification
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US6424725B1 (en) 1996-05-16 2002-07-23 Digimarc Corporation Determining transformations of media signals with embedded code signals
US5748783A (en) * 1995-05-08 1998-05-05 Digimarc Corporation Method and apparatus for robust information coding
US7676059B2 (en) * 1994-10-21 2010-03-09 Digimarc Corporation Video steganography or encoding
US6408082B1 (en) 1996-04-25 2002-06-18 Digimarc Corporation Watermark detection using a fourier mellin transform
US6757406B2 (en) 1993-11-18 2004-06-29 Digimarc Corporation Steganographic image processing
USRE40919E1 (en) * 1993-11-18 2009-09-22 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
US5636292C1 (en) * 1995-05-08 2002-06-18 Digimarc Corp Steganography methods employing embedded calibration data
US5748763A (en) * 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US5822436A (en) * 1996-04-25 1998-10-13 Digimarc Corporation Photographic products and methods employing embedded information
US6580819B1 (en) 1993-11-18 2003-06-17 Digimarc Corporation Methods of producing security documents having digitally encoded data and documents employing same
US6522770B1 (en) 1999-05-19 2003-02-18 Digimarc Corporation Management of documents and other objects using optical devices
US6968057B2 (en) 1994-03-17 2005-11-22 Digimarc Corporation Emulsion products and imagery employing steganography
US7039214B2 (en) 1999-11-05 2006-05-02 Digimarc Corporation Embedding watermark components during separate printing stages
US7778437B2 (en) 1994-03-17 2010-08-17 Digimarc Corporation Media and methods employing steganographic marking
US6869023B2 (en) 2002-02-12 2005-03-22 Digimarc Corporation Linking documents through digital watermarking
US7724919B2 (en) 1994-10-21 2010-05-25 Digimarc Corporation Methods and systems for steganographic processing
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
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US5629739A (en) * 1995-03-06 1997-05-13 A.C. Nielsen Company Apparatus and method for injecting an ancillary signal into a low energy density portion of a color television frequency spectrum
US6728390B2 (en) 1995-05-08 2004-04-27 Digimarc Corporation Methods and systems using multiple watermarks
US6760463B2 (en) 1995-05-08 2004-07-06 Digimarc Corporation Watermarking methods and media
US6721440B2 (en) 1995-05-08 2004-04-13 Digimarc Corporation Low visibility watermarks using an out-of-phase color
US7486799B2 (en) 1995-05-08 2009-02-03 Digimarc Corporation Methods for monitoring audio and images on the internet
US6788800B1 (en) 2000-07-25 2004-09-07 Digimarc Corporation Authenticating objects using embedded data
US6408331B1 (en) 1995-07-27 2002-06-18 Digimarc Corporation Computer linking methods using encoded graphics
US6829368B2 (en) 2000-01-26 2004-12-07 Digimarc Corporation Establishing and interacting with on-line media collections using identifiers in media signals
US6965682B1 (en) 1999-05-19 2005-11-15 Digimarc Corp Data transmission by watermark proxy
US7006661B2 (en) * 1995-07-27 2006-02-28 Digimarc Corp Digital watermarking systems and methods
US6411725B1 (en) 1995-07-27 2002-06-25 Digimarc Corporation Watermark enabled video objects
US6577746B1 (en) * 1999-12-28 2003-06-10 Digimarc Corporation Watermark-based object linking and embedding
US5940137A (en) * 1996-03-01 1999-08-17 Trw Inc. Symbol timing generation and recovery for data transmission in an analog video signal
US6381341B1 (en) * 1996-05-16 2002-04-30 Digimarc Corporation Watermark encoding method exploiting biases inherent in original signal
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US7046819B2 (en) 2001-04-25 2006-05-16 Digimarc Corporation Encoded reference signal for digital watermarks
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US7728048B2 (en) 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
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Also Published As

Publication number Publication date
GB1382406A (en) 1975-01-29
CA992196A (en) 1976-06-29
IE38406L (en) 1974-04-30
DE2354197A1 (de) 1974-05-09
IE38406B1 (en) 1978-03-01
NL7314924A (US20100056889A1-20100304-C00004.png) 1974-05-02
AU5855173A (en) 1975-01-30
FR2204933A1 (US20100056889A1-20100304-C00004.png) 1974-05-24
US3838444A (en) 1974-09-24
JPS4975217A (US20100056889A1-20100304-C00004.png) 1974-07-19
IT1007552B (it) 1976-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse